/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package com.liu.modules.business.repository;


import com.liu.modules.business.domain.NovelDetailInfo;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;

/**
* @website https://el-admin.vip
* @author Liu
* @date 2022-07-04
**/
public interface NovelDetailInfoRepository extends JpaRepository<NovelDetailInfo, String>, JpaSpecificationExecutor<NovelDetailInfo> {

    @Query(value ="select * from novel_detail_info  nd where nd.chapter_index > ?1 and nd.novel_id = ?2  order by nd.chapter_index asc limit 1" ,nativeQuery = true)
    public NovelDetailInfo getNextChapter(String chapterIndex, String novelId);

    @Query(value ="select * from novel_detail_info  nd where nd.chapter_index < ?1 and nd.novel_id = ?2  order by nd.chapter_index desc limit 1" ,nativeQuery = true)
    public  NovelDetailInfo  getPrevChapter(String chapterIndex, String novelId);

    @Query(value="select IFNULL(max(chapter_index) ,0) from novel_detail_info where novel_id =?1",nativeQuery = true)
    public int getMaxChapterIndex(String novel_id);
}